.p_main_video {
  z-index: -1000;
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;

  .mask {
    z-index: -998;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba($color: #000000, $alpha: 0.4);
  }

  video,
  img {
    z-index: -999;
    position: relative;
    width: 100%;
    height: 100%;
    object-fit: cover;
  }
}